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Helical Antenna Design Calculator
Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelength
post 05 Dec 2024
Antenna Calculator Links →
Impedance Calculators
These calculators are used by Mantaro engineers and provided freely for your use
J-pole antenna design calculator
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
J Pole Antenna dimension calculator
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Log periodic dipol array
Detail of the end-fed feed of a VHF log periodic dipole array
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These calculators are used by Mantaro engineers and provided freely for your use
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Detail of the end-fed feed of a VHF log periodic dipole array
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